Even with a 5 megapixel camera, every microscopic detail is captured. I seriously doubt that God intended for us to go beyond even 3 megapixels, or he would have created us without pores, zitlings and female facial fuzz. My girlfriend always makes fun of the big-ass pores on my forehead; but thanks to my 3100x2300 jpegs, I've discovered that those pores are actually Hobbit residences, which means my forehead is the Shire.
The one good thing about these giant digital images is cropping. Now I can make an otherwise mundane party pic more interesting by cropping it tightly. Not so tight that you can sequence the person's DNA, but tight enough to see sweat glands and the faintest hints of areola: